78174406846052 has 72 divisors (see below), whose sum is σ = 164004209732160. Its totient is φ = 32290368893440.

The previous prime is 78174406846043. The next prime is 78174406846097. The reversal of 78174406846052 is 25064860447187.

It is a happy number.

78174406846052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×78174406846052² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105626408 + ... + 106363935.

It is an arithmetic number, because the mean of its divisors is an integer number (2277836246280).

Almost surely, 2^{78174406846052} is an apocalyptic number.

It is an amenable number.

78174406846052 is an abundant number, since it is smaller than the sum of its proper divisors (85829802886108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78174406846052 is a wasteful number, since it uses less digits than its factorization.

78174406846052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211990421 (or 211990402 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 62.

The spelling of 78174406846052 in words is "seventy-eight trillion, one hundred seventy-four billion, four hundred six million, eight hundred forty-six thousand, fifty-two".